Re: What is the proper behavior for a GET when MFD_SKIP is returned?

On Tue, 2005-09-13 at 08:38 -0700, Tom Cumming wrote:
> I am writing an agent using 5.2.1 and mib2c/mfd. If my agent 
> receives a GET request, but the column has not been implemented yet, I 
> return MFD_SKIP. If I use snmpget to kick off a GET request, the 
> *_interface.c code returns ASN_PRIV_RETRY and no error.

But if a given object doesn't exist at all, then the usual
behaviour is for a MIB implementation module to return a
'noSuchObject' error (exception).
   If the object is implemented, but the requested row of the
table does not, then the code should return 'noSuchInstance'.

"Skipping" is usually reserved for holes in the table - where
the specified row does exist, but the particular column requested
does not.


Note that Robert is the expert on the MfD mechanism, so he
may wish to comment on how closely (or not!) this general
description applies to that particular framework.

Dave


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